FRITZ!Box on Twitter: "@jiribrejcha You do have the option to disable 2.4 GHz. Go to Wireless > Radionetwork and uncheck the box 2.4 GHz. You can also adjust radio channel settings at
Fritz!Box 3490 - Wireless Settings (3490, fritz, fritz!box, fritzbox, network key, wifi, wireless, wps)
Fritz!Box 3490 - Wireless Settings (3490, fritz, fritz!box, fritzbox, network key, wifi, wireless, wps)
![Heim Netzwerk absichern (Router Kaskade) - FritzBox einrichten, Werkseinstellungen laden, Tipps |4K - YouTube Heim Netzwerk absichern (Router Kaskade) - FritzBox einrichten, Werkseinstellungen laden, Tipps |4K - YouTube](https://i.ytimg.com/vi/Q0YuAgMO4os/maxresdefault.jpg)